SMB
| Protocol | SMB 2 / SMB 3 |
|---|---|
| Authentication | Username + password |
| Domain | Optional domain / workgroup |
| Default port | 445 |
| Not supported | SMB1 |
外接存储、SMB、WebDAV、S3 兼容存储桶或 SFTP。
备份、下载、互补按月份处理。
同步远端索引后开始任务,需要时可暂停或继续。
| Protocol | SMB 2 / SMB 3 |
|---|---|
| Authentication | Username + password |
| Domain | Optional domain / workgroup |
| Default port | 445 |
| Not supported | SMB1 |
| Protocol | WebDAV over HTTP / HTTPS |
|---|---|
| Authentication | Basic auth |
| Default ports | 443 for HTTPS, 80 for HTTP |
| Methods used | PROPFIND, PUT, GET, DELETE, MKCOL, MOVE, COPY |
| Metadata | Best-effort modification-time update via PROPPATCH |
| Not supported | OAuth, Digest auth, client certificates |
| Protocol | S3-compatible API |
|---|---|
| Signing | AWS Signature Version 4 |
| Authentication | Access Key ID + Secret Access Key |
| Endpoint | Custom HTTP / HTTPS endpoint |
| Bucket addressing | Path-style and virtual-hosted-style |
| Region | Manual input, with inference for common providers |
| Listing | ListObjectsV2 |
| Upload | Single-part upload and multipart upload |
| Copy | Server-side copy and multipart copy |
| Protocol | SFTP over SSH |
|---|---|
| Authentication | Password or OpenSSH private key |
| Private keys | OpenSSH Ed25519 and RSA private keys |
| Passphrase | Supported |
| Host-key trust | SHA256 host-key fingerprint pinning |
| KEX | curve25519-sha256, curve25519-sha256@libssh.org, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521 |
| Compatibility KEX retry | diffie-hellman-group14-sha1, diffie-hellman-group14-sha256 |
| Host keys | ssh-ed25519, ecdsa-sha2-nistp256, ecdsa-sha2-nistp384, ecdsa-sha2-nistp521 |
| Compatibility host-key retry | ssh-rsa |
| Ciphers | aes128-gcm@openssh.com, aes256-gcm@openssh.com |
| Compatibility cipher retry | aes128-ctr |
| Not supported | ECDSA private-key login, CBC-only servers, 3DES-only servers, diffie-hellman-group1-only servers |
| Type | Local / external filesystem via iOS Files |
|---|---|
| Authentication | iOS security-scoped access |
| Works with | External drives and compatible Files providers |
| Capacity | Reads available / total capacity when exposed by the provider |
| Limit | Availability depends on iOS maintaining access to the selected volume or provider |